Instead, these are hair dyes uniquely formulated for graying and meant to return you to your previously natural color.

The team leveraged the inherent disadvantage of AgNPs, which tend to discolor upon exposure to UV light, to create a controlled color development process. By trapping silver nanoparticles within a ...

After silver and brown, women prefer gold, beige, blue and yellow, in that order. For more details on the iSeeCars study, head over to the website , then feel free share your color preferences in ...